Work-positioning device



J. IVI. BENJAMIN;

WORKvPOSITIONING DEVICE. APPLlcAnoN FILED :une a. '1918.

1,4003 1 6 Patented Deu; 2o, 1921.

zisHsES-snsu n.

l. Mt BENJAMIN.

WORK POSITIONING DEVICE.

' APPLlcAHoN m50 JUNE 3. |918.

Patented Dec. 20, 1921. 2 SHEETS-SHEET 391 narra JOHN M. BENTAIVIIN, OF BEVERLY, MASSACHUSETTS, ASSIGNOR T0 UNTED SHOE MACHNERY CORPORATION, 0F PATER-SON, NEW

NEW JERSEY.

JERSEY, A CORPORATION 0F WORK-POSITIONING DEVICE.

Application led June 3,

To all whom t may concern.'

Be it known that l, JOHN M. BENJAMIN, a citizen of the United States, residing at Beverly, in the county of Essex and State of lltlassachusetts, have invented certain Improvements in Work-Positioning Devices, of which the following description, in connection with the accompanying drawings, is

a specification, like reference characters on the drawings indicating like parts in the several figures.

My invention relates to devices for positioning work for the performance upon it of certain operations. rllhe embodiment ofV the invention here illustrated consists of a band-clamp device employed in heel-attaching machines Such as is disclosed 1n theapplication of Benjamin. F. Mayo, filed June 3, 1918, Serial No. 237,951, in which the nailing operation may be performed in an upward or a downward direction. My improved positioningdevice is, however, by no means limited in its application to machines of this character.

A feature ofy the invention consists in so organizing the device in a novel manner that it may assume a work-receiving position and a position in which it retains the work for the nailing operation, it being normally held for receiving the work. This normal relationl have shown Yas obtained by a yieldable member or spring, and in it the arms of the work-engaging band of the illustrated band-clamp are separated to better admit the counter of the shoe operatedon, these being forced together to clamp the work as it moves into the operating position against the tension of the spring.

As another feature, the invention provides improved adjusting means. The operating Y position above mentioned may be controlled, as may the lateral relation of the band, its angle to the horizontal and the separation between its arms. f

In theaccompanyings drawings,

Figure 1 shows a side elevation of one embodiment of my improved positioning device, parts being in section;

Fig. 2 is a horizontal section on the line 2-2 of Fig. 1; and

Fig. 3 is a. front elevation of the device.

Coperating with the machine which is to act upon the work, of which machine there is here shown a nail block 54 supported upon the frame 22 of a heel-attaching apparatus,

Specification of Letters Patent. Patutd Da., 20, 14.221..

1918. Serial No. 237,918.

as disclosed in the Mayo application previously mentioned, is a clamp or positioning device 388 to receive the rear portion of the shoe operatedY upon. It is mounted on a slide 390 movable in ways 392 at the front of the strandard 22 of the frame. The position of the device is as arranged for upward nailing, but the parts and their relation to one another, save with respect to the inversion of the device as a whole,4 are identical with those in the machine nailing downwardly. rlhe slide is connected to the usual jack post, which is not herein illustrated, by a sprocket chain 391 extending between a plate 394 secured to the end of the slide and said jack post. The clamping device `has a counter-weight 510 joined by a chain 402 to lugs 404 projecting from the rear of the slide 390 near its center, The chain is supported upon a sprocket 408 rotatable at the rear of the ways 392. Extending across the slide 390 are horizontal ways 408 in which is mounted a secondary slide 410, from the front of which project arms 412 curved outwardly and downwardly, and each having a horizontal extension 414. At the forward extremity of each of the arm portions 414 is a sleeve 416 situated horizontally, the axes of the sleeves being in alinement. These sleeves are arranged to turn in the arms andare internally opposity threaded to receive screws 418, at the inner end of each of which is a vertical carrier arm 420 provided with an inwardly inclined end portion 422. Near the junctions of the portions 420 and 422 is a horizontal way, into which projects a flange 424 upon '890, andbeing threaded into one of the `arms 412.

The band is held normally outward in the ways with its ends separated to the maximum extent to receive the work. For this purpose an arm 434, riveted at the center of the rear of the band and extending upwardly and rearwardly, has pivoted to it a lever 486 fulcrumed at 438 upon a bracket 440. This bracket is mounted to move in ways in a ver tical extension 442 of the slide 410, and is adjustably held thereinby a screw 444 turning in the plate-394 and threaded into the forward position in the ways of the carrier arm portions 422. rlhe extenttowhich the work may be moved back in engagement with the clamp is determined by a screw 454 threaded through'the lever 436 and contacting with a portion of Jthe slide 410. 1 3y ad-. justment of the screw 454, the point at which the work stops when the jack is vswung in may berixed and its relationxtovthe nail block` from the front t0 the rear of the ma-v v. I

ating projections and depressions, and yieldchine` correctly determined. By turning the screw 444, the bracket 440 may be raised andl lowered',faiid this through thev lever 436 and arm 434 swings the band abouti pivots lfurnished by the sleeves 416.- This enables the operator to vary theangle of lthe band from the horizontal so that it may bettercoperate with shoes the heels 0f which have wedge lifts, so that the heel seatand tread ends are not parallel. y

The normal separation between the outer ends of the band may be altered by relative movement of the carriers 420, 422.; To effect V this,` each ofthe sleeves 416 has at itsinner end a pinion 456 connected by an idler'458 fixed on a short spindle journaled in theportion 414 of the clamp arm Ywith a pinion 460 secured to a shaft 462. The shaft462 is rotatably mounted at the inner ends of both the arm portions Y414 and carries a hand wheel 464 by which it may be adjusted..Y By turning this hand wheel. the sleeves 4l6 may be rotated by thegearing in either cli-- rection. Theythus act as nuts to shift the screws`4l8 longitudinally and*V with them lthe carrier arms and theends of the band supported thereby. i y

When the jack is in its outer or: work receiving position, the clamping device is raised by the Vchain l391 and weight 510. When the jack post is swung in, the clampingr device falls, so that, as theheel seat of the jacked shoey arrives over the nail block,

the band 426 is positionedto receive it; :The correctV normal relation having been-.deter-J mined by adjustment of the screwf444 .and the' shaft 462, the band is moved alonglits ways by the engagement ofthe shoe'untilf thescrew1 454is` in contact with therslide, at which ,time the bandl arms have beenvforced bynthefrolls 428against the counter portion offthe shoe-tofclamp it andtheworkis'propL for moving the member to its receiving position, and'meanspast which the arms travel in the movement of the work-positioning member for controlling their relative movement. f

.2. In a heeling machine, a work-positioning member movable from an advanced position toward the work rearwardly bycontact of said work, guideways for the member, said member and guideways having coperable means for forcing the positioning meme ber to slide bodily in the guideways toward its advanced position.V

v 3. In a heeling machine, a workepositioning member 'mounted for movement and having separated arms, and guide means over which the arms move acting in the movementto change the distance between saidarms.`V f

4. In a heeling machine, a supporting member, a work-positioning member mount-Y ed formovement therein and having separated arms, said supporting member having antifriction devices coperating with the positioning member inA its `movement to change the distance between its arms.V y 1 5. lnV a heeling machine, avworl -positioning member having relatively movable arms and being itselfbodily movable froma work receiving position to aposition at which the work is retained for operation, and means acting upon the worlopositioning member as a whole for normally moving said member to its receiving positionwith the arms separated to the maximum extent, said'arms approaching one another when the.v positioning `member moves toward the operating posi-v tion. y 6. In a heeling machine, a work-position-V ing member movable from a work receiving Aposition to a position at'which thevwork is retainedV for operation, means including a lever for normally holdingthe member in its receiving position, Yand means coperating with Ythe leverl and constructed and arranged to vary the operating position.

'(.ln a heeling machine, a work-positioning member movable from an advanced povsition toward the work rearwardly byfconv tact of said work, alever connected to the Y member, yieldable meansa'ctingupon-the le'-V income ver for forcing the positioning means toward its advanced position, and means contacting with the lever constructed and arranged to vary the extent of rearward movement.

8. In a heeling machine, a supporting member provided with Ways,aHeXible Workpositioning band movable in the Ways, and a spring for moving the band toward the Work-receiving position.

9. In a heeling machine, a supporting member provided With Ways, a lflexible Workengaging band movable in the Ways, a lever connected to the band, and a spring exerting its tension upon the lever.

10. In a healing machine, a supporting member provided with Ways, a flexible Work-positioning band movable in the Ways, a spring for moving the band toward-the Work-receiving position, and an adjustable stop member Jfor limiting the movement of the band.

11. In a heeling machine, a supporting member provided with Ways, a flexible Workengaging band movable in the Ways, a lever connected to the band, a spring exerting its tension upon the lever, and a stop screw threaded through the lever.

12. In a heeling machine, a Work-positioning band, a supporting member having an arm extending at each side of the band, a pivoted member mounted in each of the arms and engaging the band, and means connected to the pivoted members and arranged to vary their angular position upon the arms.

13. In a heeling machine, a work-positioning band, a supporting member having an arm extending at each side of the band, a pivoted member mounted in each ot the arms and engaging' the band, and connections to the band for varying its angle as permitted by movement of the pivoted members.

14. In a heeling machine, a Work-positioning band, a pivotal mounting for the band, an adjustable member, and connections bei tween the member and the band arranged to vary the angle of said mounting when the member is adjusted.

15. In a heeling machine, a vvorlopositioning band, a pivotal mounting' for the band, a movable member, a screw for moving the member, and connections between the member and the band arranged to effect the pivotal movement of the latter.

16. In a heeling machine, a Worlrspositioning band, a pivotal. mounting for the band, a lever connected to the band, and an adjustable fulcrum member tor the lever.

17. In a heeling machine, a Work-position ing band, a pivotal mounting for the band, a lever connected to the band, a movable fulcrum member for the lever, and an adjusting screw threaded through the fulcrum member and contacting With a relatively fixed point.

18, In a heeling machine, a worlnpositioning band, a pivotal mounting for the band, a lever connected to the band, an adjustable ulcrum member for the lever, and a spring cooperating with the ii'ulcrum member and lever.

19. In a heeling machine, a`Worl-pOsitiOning band, a pivotal mounting for the band, a lever connected to the band, an adjustable tulcrum member for the lever provided with a recess and a spring seated in the re- Cess and cooperating with the lever.

20. In a heeling machine, a supporting member, a carrier member having a portion arranged to turn 'in and move bodily upon the supporting member, operator oontrolled means arranged to turn the carrier member, and Work-positioning member mounted upon said carrier member.

21. In a heeling machine, a supporting member, a carrier member having a portion arranged to turn in and move bodily upon the supporting member, a Work-position` ing member mounted upon the carrier member, connections to the positioning member for turning it with the carrier member, and connections to the carrier memberto move it.

22. In a heeling machine, a supporting mem er, a carrier member having a portion arranged to turn in and move bodily upon the supporting member, gearing for imparting the bodily movement to the carrier member, and a Work-positioning member mounted upon the carrier member.

23. In a heeling machine, a supporting member, a carrier member having a portion arranged to turn in and move bodily upon the supporting member, a Work-positioning member mounted upon the carrier member, and pivotal connections to the positioning member tor turning the carrier member.

24. In a heeling machine, a supporting member, an internally threaded sleeve mounted to turn in the supporting member, a carrier member threaded to engage the sleeve and arranged to turn therein, and a Work-positioning member mounted upon the carrier member.

25. In a heeling machine, a supporting member, an internally threaded sleeve mounted to turn in the supporting member, a carrier member threaded to engage the sleeve, a Work-positioningmember mounted upon the carrier member, and means arranged to turn the sleeve and thereby move the carrier member.

26. In a heeling machine, a supporting member, an internally threaded sleeve mounted to turn in the supporting member, a carrier member threaded to engage the sleeve, a pinion fixed to the sleeve, and a shaft journaled in the supporting member and being geared to the pinion.

. 27. In a heeling machine, a supporting member, a carrier member having a portion arranged to turn in and move bodily upon slide movable in the Ways, a bracket projectingfrom-the secondary slide, carrier members pivoted upon the' bracket, a band mounted upon the carrier' members, and connections between the band and secondary slide.

30. In a heeling machine, a frame, a bandclamp device including a slide movable vertically upon the frame, there being Ways eX- tending Vtransversely ofthe slide,v a second ary slide movable in theways, a bracket projecting from the secondary slide, a Vband mounted to slide upon the bracket, a lever connected to thefband, anda ulcrum member for the lever movable from thesecondary slide.

3l. In a heeling machine, a frame,;a bandclamp device including a slide movablevertically upon the frame', there beingwvays extending transversely of the slide, a secondary slide movable in the Ways,Y a bracket projectingrom the secondary slide, carrierV members having screw mountings in the bracket, aband mounted upon the carriers,

a shaft journaled in the bracket at the rear of the band, a gearing connectingthe shaft andv screw mountings.

In testimony VvvhereofI have signed my name to this speoication.

JoH-N M. Bmamivnv.'V 

